B. To attach the K2401 Fluorescent Ring Illuminator, an SMZ-168 ring adapter is needed. This
ring adapter will replace the previously installed fastening mechanism.
NB: The SMZ-168 ring illuminator adapter is not included in the K2401 Fluorescent Ring
Illuminator kit as it is a specific model adapter.
1. To connect the K2401 Fluorescent Ring Illuminator, first remove the previously installed
mounting mechanism by turning the screw mount ring in a counter-clockwise direction while
holding the locking ring located at the bottom of the light.
2. Remove the protective glass of the optical tube by unscrewing it in a counter-clockwise
direction.
3. Place the ring illuminator underneath the optical tube. The ring illuminator is not secured yet.
Secure the ring illuminator to the optical tube by screwing the SMZ-168 adapter ring, from the
bottom of the ring illuminator, into the optical tube in a clockwise direction. The ring
illuminator is secured when the adapter becomes tight.
4. Adjust the position of the ring illuminator to avoid interference with the focusing and zoom
knobs by turning slightly with your hand.
5. Plug the ring illuminator into the nearest electrical outlet free from debris.
6. Turn the ring illuminator on by pressing the principal to “O” for on.
7. Adjust the microscope focusing knobs to achieve the desired illumination effect and clarity.
If the ring illuminator does not turn on, check whether the outlet has be switched on. If still no
illumination, unplug the ring illuminator. Next, unscrew the SMZ-168 adapter ring by turning it
counter-clockwise while safely holding the ring illuminator by the handle end. Once removed,
inspect the bulb of the ring illuminator for signs of malfunction or burnout.
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